A common theme could be friendship development. Since they might start as acquaintances and then grow closer. Another could be adventure, if they are in a world full of exciting events.
The theme of 'forbidden love' might also be present. Depending on the fictional universe they are in, there could be reasons why their relationship is not initially accepted or is difficult to pursue. This adds a layer of drama and tension to the fanfiction, making the story more engaging as the characters try to overcome these obstacles to be together.
Reddit can be a useful source as well. There are subreddits dedicated to fanfiction. You can post a request for 'Oscar x Ruby fanfic' and there's a good chance that someone will point you in the right direction. Additionally, some official fandom websites might have a section for fan - created content where you could potentially find these fanfics.
Sure. You can try searching on fanfiction websites like Archive of Our Own. There are likely many stories there about Ruby and Oscar. Just type in 'Ruby x Oscar' in the search bar and browse through the results.
Comic dubs can be popular, especially if the voice acting is top-notch and the adaptation is well-done. But there are also cases where they don't gain much traction if the quality isn't up to par.
It's not too complicated. First, you need a good recording app on your tablet. Then, find a quiet place to record your voice clearly. Make sure you have practiced the lines and have a good understanding of the comic's mood.